From: "Andreas Färber" <andreas.faerber@web.de>
To: "Daniel P. Berrange" <berrange@redhat.com>,
Juan Pineda <juan@logician.com>
Cc: aliguori@us.ibm.com, qemu-devel@nongnu.org
Subject: Re: [Qemu-devel] Problem under OSX Lion: GThread-ERROR **: GThread system may only be initialized once
Date: Mon, 31 Oct 2011 17:40:02 +0100 [thread overview]
Message-ID: <4EAECF62.2050805@web.de> (raw)
In-Reply-To: <20111031163604.GH27570@redhat.com>
Am 31.10.2011 17:36, schrieb Daniel P. Berrange:
> On Mon, Oct 31, 2011 at 09:25:26AM -0700, Juan Pineda wrote:
>> The current Qemu master branch crashes under OSX with a GThread error.
>> Commenting out vlc.c line 2188 (call to g_thread_init) allows it to run
>> successfully.
>
> As a general rule all calls to 'g_thread_init(NULL)' should be protected
> by a conditional thus:
>
> if (!g_thread_supported())
> g_thread_init(NULL);
>
> Even though QEMU calls g_thread_init() very early in main(), there is
> always the possibility that some library QEMU links to, has got an ELF
> initializer, triggering before main(), which calls g_thread_init().
Thanks to both of you! I checked: vl.c is the only use without such
condition. So it seems this regression was introduced through
coroutine-gthread.c and is not specific to Darwin. I'll post a patch
shortly.
Andreas
prev parent reply other threads:[~2011-10-31 17:41 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-10-18 1:22 [Qemu-devel] Patch for ui/cocoa.m Juan Pineda
2011-10-18 9:11 ` Andreas Färber
2011-10-18 14:35 ` Juan Pineda
2011-10-30 22:45 ` Andreas Färber
2011-10-31 15:32 ` Juan Pineda
2011-10-31 16:25 ` [Qemu-devel] Problem under OSX Lion: GThread-ERROR **: GThread system may only be initialized once Juan Pineda
2011-10-31 16:36 ` Daniel P. Berrange
2011-10-31 16:40 ` Andreas Färber [this message]
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